[Openstack] [Neutron] Multiple allocation pools in a single subnet for floating ips

Sam Stoelinga sammiestoel at gmail.com
Wed Sep 10 06:26:15 UTC 2014


Hi,

How can I setup neutron so that it supports a range of fragmented ips
within a subnet? Version: Icehouse

For example I have the following floating ips available for use:
192.168.1.10 192.168.1.15
but 192.168.1.11-14 can't be used as floating ips. With nova-network we
could add them 1 by 1.

I tried to do this:
neutron subnet-update c58d4e69-d614-4d05-91e5-95b5cc48b670
--allocation-pools start=192.168.1.10,end=192.168.1.10 --allocation-pools
start=192.168.1.15,end=192.168.1.15

The environment is a lab environment where they gave a limited amount of
floating ips to use. As example I used a private ip space, but in the
actual lab environment I am using a public internet routable ipv4 addresses
as floating ip, hence the restriction and fragmentation of the ip range.

Regards,
Sam
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